a9ec95e56d
Add a 'described' method so listeners can get proper notification of description changes, and update their description in between progress changes. Add a MultiCombinedTask that reports on progress over all tasks combined. * examples/trm.py: Add a playlist option to the example. Still needs to store results to pickles, preferably after each completed task. * morituri/common/checksum.py: Add audioconvert to make sure we can trm ogg files.